Template:Greenville, South Carolina weatherbox
| Climate data for Greenville, South Carolina (Greenville–Spartanburg Int'l), 1991–2020 normals,[a] extremes 1884–present[b] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 82 (28) |
81 (27) |
91 (33) |
94 (34) |
100 (38) |
105 (41) |
107 (42) |
105 (41) |
101 (38) |
98 (37) |
86 (30) |
79 (26) |
107 (42) |
| Mean maximum °F (°C) | 70.3 (21.3) |
73.2 (22.9) |
81.2 (27.3) |
85.8 (29.9) |
90.6 (32.6) |
95.1 (35.1) |
97.3 (36.3) |
95.9 (35.5) |
92.1 (33.4) |
85.1 (29.5) |
77.0 (25.0) |
70.6 (21.4) |
98.3 (36.8) |
| Mean daily maximum °F (°C) | 52.8 (11.6) |
57.0 (13.9) |
64.4 (18.0) |
73.2 (22.9) |
80.3 (26.8) |
87.2 (30.7) |
90.3 (32.4) |
88.5 (31.4) |
82.7 (28.2) |
73.1 (22.8) |
62.9 (17.2) |
54.9 (12.7) |
72.3 (22.4) |
| Daily mean °F (°C) | 42.5 (5.8) |
45.9 (7.7) |
52.8 (11.6) |
61.0 (16.1) |
68.9 (20.5) |
76.3 (24.6) |
79.7 (26.5) |
78.4 (25.8) |
72.5 (22.5) |
61.7 (16.5) |
51.6 (10.9) |
44.8 (7.1) |
61.3 (16.3) |
| Mean daily minimum °F (°C) | 32.1 (0.1) |
34.8 (1.6) |
41.2 (5.1) |
48.7 (9.3) |
57.5 (14.2) |
65.5 (18.6) |
69.2 (20.7) |
68.3 (20.2) |
62.4 (16.9) |
50.4 (10.2) |
40.4 (4.7) |
34.8 (1.6) |
50.4 (10.2) |
| Mean minimum °F (°C) | 15.7 (−9.1) |
20.3 (−6.5) |
24.8 (−4.0) |
33.5 (0.8) |
43.7 (6.5) |
56.3 (13.5) |
63.0 (17.2) |
61.6 (16.4) |
50.6 (10.3) |
35.1 (1.7) |
26.1 (−3.3) |
21.1 (−6.1) |
13.7 (−10.2) |
| Record low °F (°C) | −6 (−21) |
−5 (−21) |
11 (−12) |
22 (−6) |
27 (−3) |
40 (4) |
53 (12) |
50 (10) |
32 (0) |
25 (−4) |
11 (−12) |
3 (−16) |
−6 (−21) |
| Average precipitation inches (mm) | 4.12 (105) |
3.84 (98) |
4.48 (114) |
4.04 (103) |
4.07 (103) |
3.90 (99) |
4.82 (122) |
4.66 (118) |
3.73 (95) |
3.59 (91) |
3.84 (98) |
4.58 (116) |
49.67 (1,262) |
| Average snowfall inches (cm) | 1.6 (4.1) |
1.0 (2.5) |
0.6 (1.5) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.25) |
0.6 (1.5) |
3.9 (9.9) |
| Average precipitation days (≥ 0.01 in) | 10.4 | 9.4 | 10.2 | 9.7 | 9.7 | 10.8 | 12.0 | 11.1 | 8.0 | 7.1 | 8.5 | 10.0 | 116.9 |
| Average snowy days (≥ 0.1 in) | 1.1 | 0.7 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 2.6 |
| Average relative humidity (%) | 65.8 | 62.6 | 62.1 | 60.7 | 68.5 | 70.5 | 74.0 | 75.6 | 75.8 | 70.9 | 68.2 | 67.7 | 68.5 |
| Mean monthly sunshine hours | 176.6 | 182.7 | 236.2 | 264.7 | 269.2 | 270.8 | 267.8 | 253.9 | 229.2 | 235.2 | 184.3 | 169.4 | 2,740 |
| Percent possible sunshine | 56 | 60 | 64 | 68 | 62 | 62 | 61 | 61 | 62 | 67 | 59 | 55 | 62 |
| Source: NOAA (relative humidity 1962–1990, sun 1961–1990)[1][2][3] | |||||||||||||
- ^ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
- ^ Official records for Greenville kept April 1884 to 10 December 1941 at downtown, 11 December 1941 to 14 October 1962 at Greenville Downtown Airport, and at Greenville–Spartanburg Int'l near Greer since 15 October 1962. For more information, see Threadex
- ^ "NowData: NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 14, 2021.
- ^ "Station: Greer, SC". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved May 14, 2021.
- ^ "WMO Climate Normals for GREENVILLE/G-SPARTANBURG, SC 1961–1990". National Oceanic and Atmospheric Administration. Retrieved September 4, 2016.